<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title>vue回车事件添加</title>
		<script src="vue.js"></script>
	</head>

	<body>
		<div id="app">
			<input type="text" v-on:keyup.enter="add" />
		</div>
	</body>
	<script>
		var vm = new Vue({
			el: "#app",
			methods: {
				add() {
					console.log("提交文本框内容")
				}
			}
		})
	</script>

</html>